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246 lines
10 KiB
246 lines
10 KiB
package stacks
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import (
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"net/http"
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"strconv"
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"time"
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"github.com/pkg/errors"
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"github.com/asaskevich/govalidator"
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httperror "github.com/portainer/libhttp/error"
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"github.com/portainer/libhttp/request"
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"github.com/portainer/libhttp/response"
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portainer "github.com/portainer/portainer/api"
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httperrors "github.com/portainer/portainer/api/http/errors"
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"github.com/portainer/portainer/api/http/security"
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"github.com/portainer/portainer/api/internal/stackutils"
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)
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type updateComposeStackPayload struct {
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// New content of the Stack file
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StackFileContent string `example:"version: 3\n services:\n web:\n image:nginx"`
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// A list of environment(endpoint) variables used during stack deployment
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Env []portainer.Pair
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}
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func (payload *updateComposeStackPayload) Validate(r *http.Request) error {
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if govalidator.IsNull(payload.StackFileContent) {
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return errors.New("Invalid stack file content")
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}
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return nil
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}
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type updateSwarmStackPayload struct {
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// New content of the Stack file
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StackFileContent string `example:"version: 3\n services:\n web:\n image:nginx"`
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// A list of environment(endpoint) variables used during stack deployment
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Env []portainer.Pair
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// Prune services that are no longer referenced (only available for Swarm stacks)
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Prune bool `example:"true"`
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}
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func (payload *updateSwarmStackPayload) Validate(r *http.Request) error {
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if govalidator.IsNull(payload.StackFileContent) {
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return errors.New("Invalid stack file content")
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}
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return nil
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}
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// @id StackUpdate
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// @summary Update a stack
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// @description Update a stack, only for file based stacks.
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// @description **Access policy**: authenticated
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// @tags stacks
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// @security ApiKeyAuth
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// @security jwt
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// @accept json
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// @produce json
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// @param id path int true "Stack identifier"
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// @param endpointId query int false "Stacks created before version 1.18.0 might not have an associated environment(endpoint) identifier. Use this optional parameter to set the environment(endpoint) identifier used by the stack."
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// @param body body updateSwarmStackPayload true "Stack details"
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// @success 200 {object} portainer.Stack "Success"
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// @failure 400 "Invalid request"
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// @failure 403 "Permission denied"
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// @failure 404 "Not found"
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// @failure 500 "Server error"
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// @router /stacks/{id} [put]
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func (handler *Handler) stackUpdate(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
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stackID, err := request.RetrieveNumericRouteVariableValue(r, "id")
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if err != nil {
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return &httperror.HandlerError{http.StatusBadRequest, "Invalid stack identifier route variable", err}
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}
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stack, err := handler.DataStore.Stack().Stack(portainer.StackID(stackID))
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if handler.DataStore.IsErrObjectNotFound(err) {
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return &httperror.HandlerError{StatusCode: http.StatusNotFound, Message: "Unable to find a stack with the specified identifier inside the database", Err: err}
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} else if err != nil {
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return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to find a stack with the specified identifier inside the database", Err: err}
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}
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// TODO: this is a work-around for stacks created with Portainer version >= 1.17.1
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// The EndpointID property is not available for these stacks, this API environment(endpoint)
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// can use the optional EndpointID query parameter to associate a valid environment(endpoint) identifier to the stack.
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endpointID, err := request.RetrieveNumericQueryParameter(r, "endpointId", true)
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if err != nil {
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return &httperror.HandlerError{StatusCode: http.StatusBadRequest, Message: "Invalid query parameter: endpointId", Err: err}
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}
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if endpointID != int(stack.EndpointID) {
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stack.EndpointID = portainer.EndpointID(endpointID)
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}
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endpoint, err := handler.DataStore.Endpoint().Endpoint(stack.EndpointID)
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if handler.DataStore.IsErrObjectNotFound(err) {
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return &httperror.HandlerError{StatusCode: http.StatusNotFound, Message: "Unable to find the environment associated to the stack inside the database", Err: err}
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} else if err != nil {
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return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to find the environment associated to the stack inside the database", Err: err}
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}
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err = handler.requestBouncer.AuthorizedEndpointOperation(r, endpoint)
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if err != nil {
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return &httperror.HandlerError{StatusCode: http.StatusForbidden, Message: "Permission denied to access environment", Err: err}
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}
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securityContext, err := security.RetrieveRestrictedRequestContext(r)
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if err != nil {
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return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to retrieve info from request context", Err: err}
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}
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//only check resource control when it is a DockerSwarmStack or a DockerComposeStack
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if stack.Type == portainer.DockerSwarmStack || stack.Type == portainer.DockerComposeStack {
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resourceControl, err := handler.DataStore.ResourceControl().ResourceControlByResourceIDAndType(stackutils.ResourceControlID(stack.EndpointID, stack.Name), portainer.StackResourceControl)
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if err != nil {
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return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to retrieve a resource control associated to the stack", Err: err}
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}
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access, err := handler.userCanAccessStack(securityContext, endpoint.ID, resourceControl)
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if err != nil {
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return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to verify user authorizations to validate stack access", Err: err}
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}
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if !access {
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return &httperror.HandlerError{StatusCode: http.StatusForbidden, Message: "Access denied to resource", Err: httperrors.ErrResourceAccessDenied}
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}
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}
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canManage, err := handler.userCanManageStacks(securityContext, endpoint)
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if err != nil {
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return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to verify user authorizations to validate stack deletion", Err: err}
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}
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if !canManage {
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errMsg := "Stack editing is disabled for non-admin users"
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return &httperror.HandlerError{StatusCode: http.StatusForbidden, Message: errMsg, Err: errors.New(errMsg)}
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}
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updateError := handler.updateAndDeployStack(r, stack, endpoint)
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if updateError != nil {
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return updateError
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}
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user, err := handler.DataStore.User().User(securityContext.UserID)
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if err != nil {
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return &httperror.HandlerError{StatusCode: http.StatusBadRequest, Message: "Cannot find context user", Err: errors.Wrap(err, "failed to fetch the user")}
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}
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stack.UpdatedBy = user.Username
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stack.UpdateDate = time.Now().Unix()
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stack.Status = portainer.StackStatusActive
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err = handler.DataStore.Stack().UpdateStack(stack.ID, stack)
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if err != nil {
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return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to persist the stack changes inside the database", Err: err}
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}
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if stack.GitConfig != nil && stack.GitConfig.Authentication != nil && stack.GitConfig.Authentication.Password != "" {
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// sanitize password in the http response to minimise possible security leaks
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stack.GitConfig.Authentication.Password = ""
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}
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return response.JSON(w, stack)
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}
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func (handler *Handler) updateAndDeployStack(r *http.Request, stack *portainer.Stack, endpoint *portainer.Endpoint) *httperror.HandlerError {
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if stack.Type == portainer.DockerSwarmStack {
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return handler.updateSwarmStack(r, stack, endpoint)
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} else if stack.Type == portainer.DockerComposeStack {
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return handler.updateComposeStack(r, stack, endpoint)
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} else if stack.Type == portainer.KubernetesStack {
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return handler.updateKubernetesStack(r, stack, endpoint)
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} else {
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return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unsupported stack", Err: errors.Errorf("unsupported stack type: %v", stack.Type)}
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}
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}
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func (handler *Handler) updateComposeStack(r *http.Request, stack *portainer.Stack, endpoint *portainer.Endpoint) *httperror.HandlerError {
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// Must not be git based stack. stop the auto update job if there is any
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if stack.AutoUpdate != nil {
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stopAutoupdate(stack.ID, stack.AutoUpdate.JobID, *handler.Scheduler)
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stack.AutoUpdate = nil
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}
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if stack.GitConfig != nil {
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stack.FromAppTemplate = true
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}
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var payload updateComposeStackPayload
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err := request.DecodeAndValidateJSONPayload(r, &payload)
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if err != nil {
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return &httperror.HandlerError{StatusCode: http.StatusBadRequest, Message: "Invalid request payload", Err: err}
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}
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stack.Env = payload.Env
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stackFolder := strconv.Itoa(int(stack.ID))
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_, err = handler.FileService.StoreStackFileFromBytes(stackFolder, stack.EntryPoint, []byte(payload.StackFileContent))
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if err != nil {
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return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to persist updated Compose file on disk", Err: err}
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}
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config, configErr := handler.createComposeDeployConfig(r, stack, endpoint)
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if configErr != nil {
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return configErr
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}
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err = handler.deployComposeStack(config, false)
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if err != nil {
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return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: err.Error(), Err: err}
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}
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return nil
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}
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func (handler *Handler) updateSwarmStack(r *http.Request, stack *portainer.Stack, endpoint *portainer.Endpoint) *httperror.HandlerError {
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// Must not be git based stack. stop the auto update job if there is any
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if stack.AutoUpdate != nil {
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stopAutoupdate(stack.ID, stack.AutoUpdate.JobID, *handler.Scheduler)
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stack.AutoUpdate = nil
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}
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if stack.GitConfig != nil {
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stack.FromAppTemplate = true
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}
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var payload updateSwarmStackPayload
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err := request.DecodeAndValidateJSONPayload(r, &payload)
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if err != nil {
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return &httperror.HandlerError{StatusCode: http.StatusBadRequest, Message: "Invalid request payload", Err: err}
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}
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stack.Env = payload.Env
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stackFolder := strconv.Itoa(int(stack.ID))
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_, err = handler.FileService.StoreStackFileFromBytes(stackFolder, stack.EntryPoint, []byte(payload.StackFileContent))
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if err != nil {
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return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to persist updated Compose file on disk", Err: err}
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}
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config, configErr := handler.createSwarmDeployConfig(r, stack, endpoint, payload.Prune)
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if configErr != nil {
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return configErr
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}
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err = handler.deploySwarmStack(config)
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if err != nil {
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return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: err.Error(), Err: err}
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}
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return nil
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}
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